at52br3244 ATMEL Corporation, at52br3244 Datasheet - Page 35

• Manufacturer Part Number: at52br3244
• Description: 32-megabit 2m X 16 Flash +4-megabit 256k X 16 / 8-megabit 512k X 16 Sram Stack Memory
• Manufacturer: ATMEL Corporation

Absolute Maximum Ratings
Note:
Truth Table
Notes:
Recommended DC Operating Condition
Note:
2471E–STKD–10/02
Symbol
V
V
T
T
P
Symbol
V
V
V
V
SCS1
A
STG
IN
CC
D
CC
SS
IH
IL
H
X
L
(1)
, V
X
L
L
(1)
(1)
(1)
OUT
1. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is
1. H = V
2. SUB, SLB (Upper, Lower Byte Enable). These active LOW inputs allow individual bytes to be written or read. When SLB is
1. Undershoot: V
stress rating only and the functional operation of the device under these or any other conditions above those indicated in the
operation of this specification is not implied. Exposure to the absolute maximum rating conditions for extended period may
affect reliability.
LOW, data is written or read to the lower byte, I/O0 - I/O7. When SUB is LOW, data is written or read to the upper byte, I/O8
- I/O15.
SCS2
X
X
H
H
H
L
IH
, L = V
Parameter
Supply Voltage
Ground
Input High Voltage
Input Low Voltage
SWE
X
H
H
L
IL
IL
, X = Don't Care (V
= -1.5V for pulse width less than 30 ns. Undershoot is sampled, not 100% tested.
SOE
Parameter
Input/Output Voltage
Power Supply
Operating Temperature
Storage Temperature
Power Dissipation
X
H
X
L
SLB
(1)
X
H
H
H
H
IL
L
L
L
L
L
L
or V
(2)
IH
)
SUB
H
H
H
H
X
L
L
L
L
L
L
(2)
-0.31
Min
2.7
2.2
0
Output Disabled
(1)
Deselected
Mode
Read
Write
-0.3 to 3.6
-0.3 to 4.6
-55 to 150
-40 to 85
Rating
1.0
Typ
3.0
AT52BR3244(T)/3248(T)
0
I/O0 - I/O7
High-Z
High-Z
High-Z
High-Z
D
D
D
D
D
D
OUT
OUT
OUT
IN
IN
IN
I/O Pin
V
CC
Max
3.3
0.6
I/O8 - I/O15
0
+ 0.3
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
D
D
D
D
OUT
OUT
IN
IN
Unit
°C
°C
W
V
V
Standby
Unit
Power
Active
Active
Active
V
V
V
V
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